128.57.136.0/23
IPv4 prefix announced by AS53434 SRI International
unknown RPKI
VALID announced
1 Recorded origin
Routing
- Recorded origin
- AS53434 SRI International unknown
- Observed origin (RIS)
- AS53434 SRI-INTERNATIONAL-PRINCETON - SRI International
- Country
- United States
RPKI: rpki.cloudflare.com · 2026-06-17 · Routing: RIPEstat · 2026-06-18